CN105487211A - Large-aperture, large-image surface ultra-wide angle zoom lens - Google Patents
Large-aperture, large-image surface ultra-wide angle zoom lens Download PDFInfo
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- CN105487211A CN105487211A CN201610013062.5A CN201610013062A CN105487211A CN 105487211 A CN105487211 A CN 105487211A CN 201610013062 A CN201610013062 A CN 201610013062A CN 105487211 A CN105487211 A CN 105487211A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/005—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having spherical lenses only
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/142—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only
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Abstract
The invention belongs to the optical lens technical field and relates to a large-aperture, large-image surface ultra-wide angle zoom lens. The large-aperture, large-image surface ultra-wide angle zoom lens includes a magnification varying group and a compensation group; the compensation group includes a first concavo-convex lens with negative focal power, a second concavo-concave lens with negative focal power and a third concavo-convex lens with positive focal power which are sequentially distributed from one side of an object side; and the magnification varying group includes a fourth convexo-convex lens with positive focal power, a fifth convexo-convex lens with positive focal power, a sixth concavo- concave lens with negative focal power, a seventh convexo-convex lens with positive focal power, an eighth concavo-concave lens with negative focal power, a ninth convexo-convex lens with positive focal power, a tenth concavo-convex lens with positive focal power, an eleventh concavo-convex lens with negative focal power, a twelfth convexo-convex lens with positive focal power, and a thirteenth concavo-concave lens with negative focal power. According to the large-aperture, large-image surface ultra-wide angle zoom lens, 13 pieces of glass spherical lenses are adopted, and the largest field angle of the zoom lens can achieve 150 degrees, the maximum aperture of the zoom lens can achieve F1.4, and the resolution of the zoom lens can achieve eight million pixels. The large-aperture, large-image surface ultra-wide angle zoom lens has the advantages of high imaging quality, wide field of vision and large relative aperture.
Description
Technical field
The invention belongs to optical lens technical field, particularly relate to the ultra-wide angle zoom lens of the large image planes of a kind of large aperture.
Background technology
Security protection needs target day and night continual monitoring, usually needs night to use infrared illumination because ambient brightness is extremely low, and picture also transfers black and white to by colour, and sharpness reduces, and easily causes loss in detail.In order to improve the quality monitoring at night, technician has carried out unremitting effort.
Along with the development of electronics technology, there is a kind of high photosensitive imager chip (low-light level imaging chip) on the market, it can utilize faint surround lighting imaging, if coordinate large aperture camera lens can obtain comparatively clear bright colour picture, substantially increase the quality monitoring at night, abandon infrared light compensating lamp simultaneously, thus the temperature of video camera can be made greatly to reduce, improve the mission life of video camera.
But this imager chip size is comparatively large, reach 1/1.7 " left and right, and the chip that common safety monitoring camera lens uses is 1/3 " about.Therefore common monitoring camera cannot be used for low-light level imaging chip.
Therefore a kind of maximum image planes are researched and developed more than 1/1.7 ", the zoom lens that maximum ring can reach F1.4 just seems necessary.
Therefore, the present invention aims to provide the ultra-wide angle zoom lens of the large image planes of a kind of large aperture, it adopts 13 pieces of glass spheric glasses, and maximum field of view angle reaches 150 °, and maximum ring reaches F1.4, resolution reaches eight mega pixels, focal range is 3.5-16mm, and optics overall length is less than 95mm, good imaging quality, have a wide sphere of vision, relative aperture is large.
Summary of the invention
The object of the invention is to: for the deficiencies in the prior art, and the ultra-wide angle zoom lens of the large image planes of a kind of large aperture is provided, it adopts 13 pieces of glass spheric glasses, and maximum field of view angle reaches 150 °, and maximum ring reaches F1.4, resolution reaches eight mega pixels, focal range is 3.5-16mm, and optics overall length is less than 95mm, good imaging quality, have a wide sphere of vision, relative aperture is large.
In order to achieve the above object, the present invention adopts following technical scheme:
A ultra-wide angle zoom lens for the large image planes of large aperture, comprises zoom group and compensating group, and total focal power of described zoom group is just, total focal power of described compensating group is negative, carries out zoom by the relative position changing described zoom group and described compensating group;
Described compensating group comprises from object space side the 3rd lens of the first lens of tactic convex-concave negative power, the second lens of concave-concave negative power and convex-concave positive light coke;
Described zoom group comprises the 8th lens of the 4th lens of the tactic biconvex positive light coke from object space side, the 5th lens of biconvex positive light coke, the 6th lens of concave-concave negative power, the 7th lens of biconvex positive light coke and concave-concave negative power, the 9th lens of biconvex positive light coke, the tenth lens of convex-concave positive light coke, the 11 lens of convex-concave negative power, the 12 lens of biconvex positive light coke and the 13 lens of concave-concave negative power; First lens are glass spheric glass to the 13 lens, and these lens all adopt Extra-low Dispersion eyeglass.
The focal length Ff ' of described compensating group meets following condition with the focal length Bf ' of zoom group:
0.8<|Ff '/Bf ' | <1.2, to reach the high performance object of large image planes.
One as the ultra-wide angle zoom lens of the large image planes of large aperture of the present invention is improved, and described first lens and described second lens, directly near assembling, are provided with packing ring between described second lens and described 3rd lens.
One as the ultra-wide angle zoom lens of the large image planes of large aperture of the present invention is improved, by spacer ring close-fitting between described 4th lens and described 5th lens, described 7th lens and described 8th lens are directly near assembling, described 9th lens and described tenth lens by spacer ring close-fitting, between described 11 lens and described 12 lens directly near.
One as the ultra-wide angle zoom lens of the large image planes of large aperture of the present invention is improved, described 5th lens, between described 6th lens and described 7th lens, use optics glue bond, optics glue bond is used between described 8th lens and described 9th lens, use optics glue bond between described tenth lens and described 11 lens, between described 12 lens and described 13 lens, use optics glue bond.
One as the ultra-wide angle zoom lens of the large image planes of large aperture of the present invention is improved, the focal length of the lens combination of described 5th lens, described 6th lens and described 7th lens gummed is Bf5, the focal length of the lens combination of described 8th lens and described 9th lens gummed is Bf6, the focal length of the lens combination of described tenth lens and described 11 lens gummed is Bf7, the focal length of the lens combination of described 12 lens and described 13 lens gummed is Bf8, and the focal length Bf ' of above-mentioned focal length and zoom group exists following relation:
3.95<|Bf5/Bf′|<5.61；
1<|Bf6/Bf′|<3.5；
1<|Bf7/Bf′|<3；
1.5<|Bf8/Bf′|<3.2。
One as the ultra-wide angle zoom lens of the large image planes of large aperture of the present invention is improved, and described first lens meet the following conditions to the focal length of described 13 lens and refractive index:
| -28.35≤f1≤-21.81 | 1.71≤n1≤1.88 |
| -22.35≤f2≤-16.95 | 1.6≤n2≤1.8 |
| 31.32≤f3≤38.59 | 1.75≤n3≤1.95 |
| 26.21≤f4≤33.63 | 1.7≤n4≤1.85 |
| 12.88≤f5≤17.12 | 1.4≤n5≤1.65 |
| -8.99≤f6≤-6.15 | 1.7≤n6≤1.85 |
| 12.22≤f7≤17.24 | 1.4≤n7≤1.65 |
| -20.10≤f8≤-14.55 | 1.4≤n8≤1.65 |
| 10.01≤f9≤13.55 | 1.75≤n9≤1.9 |
| 26.32≤f10≤31.41 | 1.75≤n10≤1.95 |
| -15.11≤f11≤-10.21 | 1.55≤n11≤1.7 |
| 7.98≤f12≤11.20 | 1.4≤n12≤1.65 |
| -13.36≤f13≤-8.99 | 1.7≤n13≤1.85 |
In upper table, " f " is focal length, and " n " is refractive index, and "-" number represents that direction is negative;
Wherein, f1 to f13 corresponds respectively to the focal length of the first lens to the 13 lens; N1 to n13 corresponds respectively to the refractive index of the first lens to the 13 lens.
Relative to prior art, the present invention adopts 13 pieces of glass spheric glasses, to possess total focal power be positive zoom group and total focal power is negative compensating group, the function of zoom is realized by the interval changing two groups, logical light quantity and the image planes size of camera lens can be improved, focal length zoom ratio scope is 3-5 times, focal range is 3.5mm-16mm, optics overall length is less than 95mm, its maximum field of view angle reaches 150 °, maximum ring reaches F1.4, and pass through the focal power of reasonable distribution eyeglass, the resolution of camera lens is made to reach eight mega pixels, and camera lens is used under the environment of-40 DEG C-+80 DEG C also do not run Jiao.Good imaging quality, has a wide sphere of vision, and relative aperture is large.
In addition, the present invention is by adopting cemented doublet (lens bonded by optical cement) in a large number, farthest can reduce eyeglass directly near the error of assembling, improve the assembling yields of camera lens, and, the present invention passes through employing Extra-low Dispersion eyeglass, the aberration of camera lens is dropped to minimum, improves color rendition effect and the image quality of camera lens.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is one of optical system diagram of the present invention.
Fig. 3 is optical system diagram two of the present invention.
Embodiment
Below with reference to specific embodiment, the present invention and beneficial effect thereof are described in further detail, but the specific embodiment of the present invention is not limited thereto.
As depicted in figs. 1 and 2, the ultra-wide angle zoom lens of the large image planes of a kind of large aperture provided by the invention, comprises zoom group 1 and compensating group 2, and total focal power of zoom group 1 is just, total focal power of compensating group 2 is negative, carries out zoom by the relative position changing zoom group 1 and compensating group 2;
Compensating group 2 comprises the 3rd lens 23 of the first lens 21 of the tactic convex-concave negative power from object space side, the second lens 22 of concave-concave negative power and convex-concave positive light coke;
Zoom group 1 comprises the 8th lens 15 of the 4th lens 11 of the tactic biconvex positive light coke from object space side, the 5th lens 12 of biconvex positive light coke, the 6th lens 13 of concave-concave negative power, the 7th lens 14 of biconvex positive light coke and concave-concave negative power, the 9th lens 16 of biconvex positive light coke, the tenth lens 17 of convex-concave positive light coke, the 11 lens 18 of convex-concave negative power, the 12 lens 19 of biconvex positive light coke and the 13 lens 110 of concave-concave negative power; First lens 21 are glass spheric glass to the 13 lens 110, and these lens all adopt Extra-low Dispersion eyeglass.
The focal length Ff ' of compensating group 2 meets following condition with the focal length Bf ' of zoom group 1:
0.8<|Ff '/Bf ' | <1.2, to reach the high performance object of large image planes.
First lens 21 and the second lens 22, directly near assembling, are provided with packing ring between the second lens 22 and the 3rd lens 23.
By spacer ring close-fitting between 4th lens 11 and the 5th lens 12, the 7th lens 14 and the 8th lens 15 directly near assembling, the 9th lens 16 and the tenth lens 17 by spacer ring close-fitting, between the 11 lens the 18 and the 12 lens directly near.
5th lens 12, between the 6th lens 13 and the 7th lens 14, use optics glue bond, optics glue bond is used between 8th lens 15 and the 9th lens 16, use optics glue bond between tenth lens the 17 and the 11 lens 18, between the 12 lens the 19 and the 13 lens 110, use optics glue bond.
The focal length of the lens combination of the 5th lens 12, the 6th lens 13 and the 7th lens 14 gummed is Bf5, the focal length of the lens combination of the 8th lens 15 and the 9th lens 16 gummed is Bf6, the focal length of the lens combination of the tenth lens the 17 and the 11 lens 18 gummed is Bf7, the focal length of the lens combination of the 12 lens the 19 and the 13 lens 110 gummed is Bf8, and the focal length Bf ' of above-mentioned focal length and zoom group 1 exists following relation:
3.95<|Bf5/Bf′|<5.61；
1<|Bf6/Bf′|<3.5；
1<|Bf7/Bf′|<3；
1.5<|Bf8/Bf′|<3.2。
First lens 21 meet the following conditions to the focal length of the 13 lens 110 and refractive index:
In upper table, " f " is focal length, and " n " is refractive index, and "-" number represents that direction is negative;
Wherein, f1 to f13 corresponds respectively to the focal length of the first lens 21 to the 13 lens 110; N1 to n13 corresponds respectively to the refractive index of the first lens 21 to the 13 lens 110.
Practice shows: focal length zoom ratio scope of the present invention is 3-5 times, and focal range is 3.5mm-16mm, and optics overall length is less than 95mm, and its maximum field of view angle reaches 150 °, and maximum ring reaches F1.4.
Embodiment 1
13 lens of this camera lens face type in totally two ten faces, radius-of-curvature, lens thickness, lens pitch and lens index meet the following conditions respectively:
Table 1: the physical parameter of 13 lens.
In upper table, " R " is radius-of-curvature, "-" number represents that direction is negative, " PL " represents plane, upper table the same face sequence number existing refractive index data n, have again data D, data D represents the thickness at this lens axial line place, the same face sequence number only has data D and does not have refractive index data n, and data D represents the spacing of these lens to next lens face.
In the present embodiment, camera lens uses and does not also run Jiao under the environment of-40 DEG C-+80 DEG C.Good imaging quality, has a wide sphere of vision, and relative aperture is large.
Certainly, the present invention can carry out zoom by the interval changing zoom group 1 and compensating group 2, and as shown in Figure 3, the interval between zoom group 1 and compensating group 2 is less, that is, can adjust interval therebetween as required, to carry out zoom operation.
In a word, the present invention adopts 13 pieces of glass spheric glasses, to possess total focal power be positive zoom group 1 is negative compensating group 2 with total focal power, the function of zoom is realized by the interval changing two groups, logical light quantity and the image planes size of camera lens can be improved, focal length zoom ratio scope is 3-5 times, focal range is 3.5mm-16mm, optics overall length is less than 95mm, its maximum field of view angle reaches 150 °, maximum ring reaches F1.4, and pass through the focal power of reasonable distribution eyeglass, the resolution of camera lens is made to reach eight mega pixels, and camera lens is used under the environment of-40 DEG C-+80 DEG C also do not run Jiao.Good imaging quality, has a wide sphere of vision, and relative aperture is large.
In addition, the present invention is by adopting cemented doublet (lens bonded by optical cement) in a large number, farthest can reduce eyeglass directly near the error of assembling, improve the assembling yields of camera lens, and, the present invention passes through employing Extra-low Dispersion eyeglass, the aberration of camera lens is dropped to minimum, improves color rendition effect and the image quality of camera lens.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (6)
1. a ultra-wide angle zoom lens for the large image planes of large aperture, comprises zoom group and compensating group, and total focal power of described zoom group is just, total focal power of described compensating group is negative, carries out zoom by the relative position changing described zoom group and described compensating group; It is characterized in that:
Described compensating group comprises from object space side the 3rd lens of the first lens of tactic convex-concave negative power, the second lens of concave-concave negative power and convex-concave positive light coke;
Described zoom group comprises the 8th lens of the 4th lens of the tactic biconvex positive light coke from object space side, the 5th lens of biconvex positive light coke, the 6th lens of concave-concave negative power, the 7th lens of biconvex positive light coke and concave-concave negative power, the 9th lens of biconvex positive light coke, the tenth lens of convex-concave positive light coke, the 11 lens of convex-concave negative power, the 12 lens of biconvex positive light coke and the 13 lens of concave-concave negative power;
The focal length Ff' of described compensating group and the focal length Bf' of zoom group meets following condition:
0.8<|Ff'/Bf'|<1.2。
2. the ultra-wide angle zoom lens of the large image planes of large aperture according to claim 1, is characterized in that: described first lens and described second lens, directly near assembling, are provided with packing ring between described second lens and described 3rd lens.
3. the ultra-wide angle zoom lens of the large image planes of large aperture according to claim 1, it is characterized in that: by spacer ring close-fitting between described 4th lens and described 5th lens, described 7th lens and described 8th lens are directly near assembling, described 9th lens and described tenth lens by spacer ring close-fitting, between described 11 lens and described 12 lens directly near.
4. the ultra-wide angle zoom lens of the large image planes of large aperture according to claim 1, it is characterized in that: described 5th lens, between described 6th lens and described 7th lens, use optics glue bond, optics glue bond is used between described 8th lens and described 9th lens, use optics glue bond between described tenth lens and described 11 lens, between described 12 lens and described 13 lens, use optics glue bond.
5. the ultra-wide angle zoom lens of the large image planes of large aperture according to claim 4, it is characterized in that: the focal length of the lens combination of described 5th lens, described 6th lens and described 7th lens gummed is Bf5, the focal length of the lens combination of described 8th lens and described 9th lens gummed is Bf6, the focal length of the lens combination of described tenth lens and described 11 lens gummed is Bf7, the focal length of the lens combination of described 12 lens and described 13 lens gummed is Bf8, and the focal length Bf' of above-mentioned focal length and zoom group exists following relation:
3.95<|Bf5/Bf'|<5.61；
1<|Bf6/Bf'|<3.5；
1<|Bf7/Bf'|<3；
1.5<|Bf8/Bf'|<3.2。
6. the ultra-wide angle zoom lens of the large image planes of large aperture according to claim 1, is characterized in that: described first lens meet the following conditions to the focal length of described 13 lens and refractive index:
In upper table, " f " is focal length, and " n " is refractive index, and "-" number represents that direction is negative;
Wherein, f1 to f13 corresponds respectively to the focal length of the first lens to the 13 lens; N1 to n13 corresponds respectively to the refractive index of the first lens to the 13 lens.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772947A (en) * | 2017-01-22 | 2017-05-31 | 东莞市宇瞳光学科技股份有限公司 | Big motion DV camera lenses of practising physiognomy |
| CN107102422A (en) * | 2017-05-09 | 2017-08-29 | 东莞市宇瞳光学科技股份有限公司 | A kind of large aperture ultra-wide angle ultra high-definition zoom lens |
| CN107422464A (en) * | 2017-08-30 | 2017-12-01 | 中山联合光电科技股份有限公司 | A kind of zoom projection optical system |
| CN108469667A (en) * | 2018-05-31 | 2018-08-31 | 江西联创电子有限公司 | Wide-angle lens |
| CN109283662A (en) * | 2018-11-14 | 2019-01-29 | 福建福光股份有限公司 | A kind of low industrial camera lens that distorts of F1.4 large aperture 12mm focal length high definition |
| CN110328445A (en) * | 2019-07-12 | 2019-10-15 | 卡门哈斯激光科技（苏州）有限公司 | A kind of near-infrared monochromatie objective |
| CN110618521A (en) * | 2019-09-30 | 2019-12-27 | 江西特莱斯光学有限公司 | Ultrathin lens of single lens reflex |
| CN114089500A (en) * | 2020-08-24 | 2022-02-25 | 宁波舜宇车载光学技术有限公司 | Optical lens and electronic device |
| CN114114628A (en) * | 2021-12-06 | 2022-03-01 | 莆田学院 | Large-aperture low-distortion high-resolution optical system for machine vision |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110518A (en) * | 1995-02-24 | 1995-10-25 | 王�华 | Pumpkin-corn porridge powder |
| CN102169225A (en) * | 2010-02-25 | 2011-08-31 | 株式会社腾龙 | Zoom lens |
| JP2011242517A (en) * | 2010-05-17 | 2011-12-01 | Fujifilm Corp | Variable power optical system and imaging apparatus |
| US20140098253A1 (en) * | 2012-10-10 | 2014-04-10 | Canon Kabushiki Kaisha | Zoom lens and image-pickup apparatus |
| CN104423023A (en) * | 2013-08-22 | 2015-03-18 | 佳能株式会社 | Zoom lens and image pickup device including the same |
| CN205485032U (en) * | 2016-01-07 | 2016-08-17 | 东莞市宇瞳光学科技股份有限公司 | Super wide angle zoom of big big image planes of light ring |
-
2016
- 2016-01-07 CN CN201610013062.5A patent/CN105487211B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110518A (en) * | 1995-02-24 | 1995-10-25 | 王�华 | Pumpkin-corn porridge powder |
| CN102169225A (en) * | 2010-02-25 | 2011-08-31 | 株式会社腾龙 | Zoom lens |
| JP2011242517A (en) * | 2010-05-17 | 2011-12-01 | Fujifilm Corp | Variable power optical system and imaging apparatus |
| US20140098253A1 (en) * | 2012-10-10 | 2014-04-10 | Canon Kabushiki Kaisha | Zoom lens and image-pickup apparatus |
| CN104423023A (en) * | 2013-08-22 | 2015-03-18 | 佳能株式会社 | Zoom lens and image pickup device including the same |
| CN205485032U (en) * | 2016-01-07 | 2016-08-17 | 东莞市宇瞳光学科技股份有限公司 | Super wide angle zoom of big big image planes of light ring |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772947A (en) * | 2017-01-22 | 2017-05-31 | 东莞市宇瞳光学科技股份有限公司 | Big motion DV camera lenses of practising physiognomy |
| CN107102422A (en) * | 2017-05-09 | 2017-08-29 | 东莞市宇瞳光学科技股份有限公司 | A kind of large aperture ultra-wide angle ultra high-definition zoom lens |
| CN107102422B (en) * | 2017-05-09 | 2023-08-15 | 东莞市宇瞳光学科技股份有限公司 | Large-aperture ultra-wide-angle ultra-high-definition zoom lens |
| CN107422464B (en) * | 2017-08-30 | 2023-05-26 | 中山联合光电科技股份有限公司 | Zoom projection optical system |
| CN107422464A (en) * | 2017-08-30 | 2017-12-01 | 中山联合光电科技股份有限公司 | A kind of zoom projection optical system |
| CN108469667A (en) * | 2018-05-31 | 2018-08-31 | 江西联创电子有限公司 | Wide-angle lens |
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